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| Number | Title | Issue Date |
| 7498906 | Radiating coaxial cable having spaced periodic aperture arrays A radiated mode coaxial cable comprising an outer conductor provided with a periodic aperture array, comprising a plurality (n) of apertures or aperture sets, repeated along the length of said outer conductor whereas a constant spacing s separates the left end of th... | 03/03/2009 |
| 7367364 | Fire retardant jacket for tubing A tubing assembly including a conductive corrugated tubing including convolutions of peaks and valleys and a polymer jacket disposed along a length of said corrugated tubing, the polymer jacket including a fire retardant. ... | 05/06/2008 |
| 7332676 | Discontinued cable shield system and method Implementations of a discontinuous cable shield system and method include a shield having a multitude of separated shield segments dispersed along a length of a cable. The separated shield segments can serve as an incomplete, patch-worked, discontinuous, ‘granulat... | 02/19/2008 |
| 7317161 | Shielded cable, and bioelectrical impedance value or biological composition data acquiring apparatus using the same There are provided a shielded cable having a core wire for carrying an electrical signal, and a shield around the circumference of the core wire and connected to the core wire via a drive circuit, wherein the drive circuit has a band limiting circuit which decreases... | 01/08/2008 |
| 7314997 | High speed data communication link using triaxial cable A high speed data communication link has a circuit for providing a differential signal having first and second opposite phase components and a triaxial cable connected to receive the positive phase component of the signal on the inner conductor and the negative phas... | 01/01/2008 |
| 7305935 | Slotted antenna waveguide plasma source A high density plasma generated by microwave injection using a windowless electrodeless rectangular slotted antenna waveguide plasma source has been demonstrated. Plasma probe measurements indicate that the source could be applicable for low power ion thruster appli... | 12/11/2007 |
| 7266886 | Method of continuously fabricating a corrugated coaxial cable The invention relates to a method of continuously fabricating a coaxial cable in which ring-shaped corrugations are imparted to a conductor of the cable in a corrugator. The corrugator is made to operate at constant speed. ... | 09/11/2007 |
| 7259640 | Miniature RF and microwave components and methods for fabricating such components RF and microwave radiation directing or controlling components are provided that may be monolithic, that may be formed from a plurality of electrodeposition operations and/or from a plurality of deposited layers of material, that may include switches, inductors, ant... | 08/21/2007 |
| 7239219 | Miniature RF and microwave components and methods for fabricating such components RF and microwave radiation directing or controlling components are provided that may be monolithic, that may be formed from a plurality of electrodeposition operations and/or from a plurality of deposited layers of material, that may include switches, inductors, ant... | 07/03/2007 |
| 7225534 | Telecommunications cable jacket adapted for post-extrusion insertion of optical fiber and methods for manufacturing the same The present disclosure relates to a telecommunications cable having a jacket including a feature for allowing post-extrusion insertion of an optical fiber or other signal-transmitting member. The present disclosure also relates to a method for making a telecommunica... | 06/05/2007 |
| 7164333 | Standing wave barrier A standing wave barrier for at least one radio frequency cable having a cable axis has at least one metallic base web that proceeds parallel to the cable axis from a first web end to a second web end. The web ends are coupled to one another in terms of radio frequen... | 01/16/2007 |
| 7151503 | Antenna unit An antenna unit has a coaxial cable firmly connected and fixed to an antenna substrate by an easy soldering process and provides freedom in pattern formation and mounting of parts on the antenna substrate. The antenna unit includes an antenna substrate on which an a... | 12/19/2006 |
| 7105739 | Coaxial cable A first conductor is provided on an outer circumference of a central conductor with an insulator therebetween, a second conductor is provided on a concentric circle having the central conductor as its center and outside the first conductor with an insulator therebet... | 09/12/2006 |
| 7091919 | Apparatus and method to increase apparent resonant slot length in a slotted coaxial antenna An oblique angle defining the slot face opposing a coupler in a slotted coaxial antenna increases the apparent slot length and therewith the capacitance of the driven element. The altered slot angle, in concert with a flattened facing surface on the associated coupl... | 08/15/2006 |
| 7073447 | Electro-thermal chemical igniter and connector An ETC igniter and compatible electrical connector for enabling an ETC gun to be used in a battlefield setting in close proximity with personnel and sensitive electronic equipment. This is accomplished by providing a current path to and from the igniter that is elec... | 07/11/2006 |
| 7026888 | Broadband non-directional tap coupler A high power, non-directional tap coupler having low loss and expanded bandwidth using a novel airline coaxial line structure. Each of the main and secondary conductors forms a concentric structure of constant dimension over a substantial length inside a metallic ho... | 04/11/2006 |
| 6999040 | Transverse device array phase shifter circuit techniques and antennas A transverse device array phase shifter includes an overmoded waveguide structure having a top conductive broad wall surface, a bottom conductive broad wall surface and opposed first and second conductive side wall surfaces. At least one transverse device array circ... | 02/14/2006 |
| 6995724 | Waveguide slot type radiator having construction to facilitate manufacture A waveguide portion has a waveguide with a rectangular section surrounded by a pair of narrow side plates opposed to each other, a pair of broad side plates extending along lengthwise directions of the pair of narrow side plates. A radiation portion is provided on o... | 02/07/2006 |
| 6972493 | Semiconductor integrated circuit having reduced cross-talk noise A semiconductor integrated circuit includes a shielded wire line and a shielding wire line provided for the shielded wire line and divided into a plurality of segments in a longitudinal direction of the shielded wire line. ... | 12/06/2005 |
| 6831231 | Coaxial cable with flat outer conductor A flexible coaxial cable includes an inner conductor, and a dielectric layer generally surrounding the inner conductor. A tape outer conductor generally surrounds the dielectric layer, and does not underlie another electrically conductive layer such as a braided wir... | 12/14/2004 |
| 6765461 | Asymmetric support for high frequency transmission lines Asymmetric support for high frequency transmission lines. An asymmetrical support structure coaxially supports a center conductor over a ground plane using a dielectric material. Absorbing material between the dielectric and the outer conductor reduces the effects o... | 07/20/2004 |
| 6717493 | RF cable having clad conductors and method of making same An RF coaxial cable with clad conductors includes an inner tubular conductor having a first base layer formed of a relatively higher conductivity material, and a first bulk layer formed of a relatively lower conductivity material. The first base layer of higher cond... | 04/06/2004 |
| 6577236 | FM CW cable guided intrusion detection radar A FM CW cable guided radar for the detection and location of outdoor perimeter intruders. Helically wound outer conductors on coaxial transmit and receive transmission lines provide a slow wave structure to support the propagation of external electromagne... | 06/10/2003 |
| 6523248 | Method of producing a microwave filter The invention relates to a method for producing a microwave filter (700), comprising making at least one through-cutout (750) in a first electrically conductive plate (740) shaped as a rectangle, with a short side and a long side, inserting the first plat... | 02/25/2003 |
| 6501350 | Flat radiating cable A flat radiating cable in which conductive layers are not adhered to a dielectric core. Each of the conductive layers comprises a resilient material which resists kinking and is capable of longitudinal translation with respect to the core and/or the other... | 12/31/2002 |
| 6480163 | Radiating coaxial cable having helically diposed slots and radio communication system using same A radiating coaxial cable having a longitudinal axis comprises an inner conductor having a longitudinal axis wherein the axis of the inner conductor defines the axis of the cable. A dielectric material surrounds the inner conductor. A continuous outer con... | 11/12/2002 |
| 6426685 | Radiating coaxial radio-frequency cable A radiating coaxial radio-frequency cable is specified, that comprises an inner conductor, a dielectric surrounding the latter and a tubular outer conductor disposed above the latter and concentric with the inner conductor. In the outer conductor, mutuall... | 07/30/2002 |
| 6292072 | Radiating coaxial cable having groups of spaced apertures for generating a surface wave at a low frequencies and a combination of surface and radiated waves at higher frequencies A radiating coaxial cable includes an inner conductor, an electrical insulator located about a periphery of the inner conductor, and an outer conductor located about a periphery of the electrical insulator. The outer conductor defines groups of apertures ... | 09/18/2001 |
| 5973647 | Low-height, low-cost, high-gain antenna and system for mobile platforms A leaky waveguide antenna array that receives and/or transmits electromagnetic signals includes a plurality of radiation waveguides disposed in parallel to each other on a surface plane to form the antenna array. A feed waveguide is located below the surf... | 10/26/1999 |
| 5900843 | Airborne VHF antennas A compact high gain VHF antenna for airborne synthetic aperture radar to detect targets concealed behind trees and forests. The antenna is formed by cutting a slotline in the middle of the top wall of a very thin waveguide along its axis. The waveguide ca... | 05/04/1999 |
| 5898350 | Radiating coaxial cable and method for making the same In a radiating coaxial cable, the outer-conductor having a plurality of radiating apertures is wrapped in a tape of conducting material which covers some of the apertures. In one embodiment of the invention, the conductive tape is combined with a fire ret... | 04/27/1999 |
| 5834688 | Electromagnetic intruder detector sensor cable A sensor cable formed of a center conductor surrounded by dielectric material and first and second layers. The first layer is formed of a gapped conductive material surrounding the dielectric material. The second layer has predetermined conductivity and a... | 11/10/1998 |
| 5809429 | Radiating coaxial cable and radio communication system using same A radiating coaxial cable comprises an inner conductor, a layer of cellular foam dielectric material surrounding the inner conductor, and a single, continuous, corrugated outer conductor surrounding the dielectric foam layer in direct contact with it. The... | 09/15/1998 |
| 5757331 | Leakage dielectric waveguide and plane antenna using said leakage dielectric waveguide A leakage dielectric waveguide includes a housing made of plane-shaped electrical conductors located parallel to each other, and a dielectric strip for propagating a high-frequency wave between the parallel electrical conductors, wherein the dielectric st... | 05/26/1998 |
| 5717411 | Radiating waveguide and radio communication system using same A radiating waveguide comprises an elongated waveguide with a transverse cross-section dimensioned to carry only the dominant mode at a selected operating frequency. One wall of the waveguide forms a continuous non-resonant longitudinal slot or equivalent... | 02/10/1998 |
| 5705967 | High-frequency radiating line The line comprises a tubular outer conductor including apertures configured to form a periodic pattern (M) repeated along said outer conductor with a predetermined pitch (p). The periodic pattern has a length (L) equal to p/2&#b1;Ɗ, along a direction par... | 01/06/1998 |
| 5669065 | Completely redundant communication system utilizing radiating transmission line A radio frequency communication system utilizing a radiating transmission line is disclosed. During normal operation, a mobile communication unit near the radiating transmission line can communicate with other mobile communication units near the transmiss... | 09/16/1997 |
| 5541612 | Waveguide antenna which includes a slotted hollow waveguide A waveguide antenna (1) has an upper (2) and air (3) cavity waveguide, these waveguides being separated by a partition wall (4). Transversely extending slots (7) are disposed along the center line of the upper waveguide (2) with a mutual spacing of one wa... | 07/30/1996 |
| 5510766 | Intrusion detection system In an intrusion detection system comprising an open transmission line (10), for example a "leaky cable", and a receiver unit (12S,12T,14S,14T,16) for processing a radio frequency signal received by the line to detect perturbations caused by an intruder (2... | 04/23/1996 |
| 5473336 | Cable for use as a distributed antenna A cable for use as a distributed antenna in intrusion detection systems comprises an internal open transmission line in parallel with a periodically loaded structure which supports an external transmission line mode of operation, specifically a surface wa... | 12/05/1995 |
